/*用户登陆键盘触发*/
function gogogo(e)   
{   
  var ev = window.event|| e;
  if(ev.keyCode==13){
		submitcheck("formlog");
  } 
}

/*用户登陆*/
function submitcheck(Form){
var Form1=document.getElementById(Form);
if (Form1.LoginName.value=="")
{alert("请填写用户名。");
Form1.LoginName.focus();
return false;
} 
if (Form1.Password.value=="")
{alert("请填入密码。");
Form1.Password.focus();
return false;
}
Form1.submit();
return true;
}

/*搜索*/
function checksrh(Form){
if (document.Form_Sch.Sch_Word.value=='请输入关键字'){
document.Form_Sch.Sch_Word.value='';
return false;
}
}

/*首页转换div*/
function showDiv(num)
{
 for(var id = 1;id<=4;id++)
 {
  var ss="trade"+id;
  var nss="tradenv"+id;
  if(id==num){
  try{document.getElementById("trade").innerHTML=document.getElementById(ss).innerHTML}catch(e){};
  try{document.getElementById(nss).className="lisel"}catch(e){};
  }else{
  try{document.getElementById(ss).style.display="none"}catch(e){};
  try{document.getElementById(nss).className=""}catch(e){};
  }
 }  
}

/*新闻转换字体大小*/
function font(num)
{
	if(num==1)
	{
		document.getElementById("news_content").style.fontSize=16+"px";
	}else if(num==2){
		document.getElementById("news_content").style.fontSize=14+"px";
	}else{
		document.getElementById("news_content").style.fontSize=12+"px";
		}
}
/*关闭页面*/
function closew()
{
	var w=window.open();
	w.opener = null;
	w.open('','_parent','');
	w.close();
}


function addBookmark(title,url) {
if (window.sidebar) { 
window.sidebar.addPanel(title, url,""); 
} else if( document.all ) {
window.external.AddFavorite( url, title);
} else if( window.opera && window.print ) {
return true;
}
}

var EltongTab = document.getElementById("ysad");
function changeProduct(o){

    var BtnName = "请输入你需要查找的供应产品";
	var SoBtn = document.getElementById("yschword");
	var SoForm = document.getElementById("Elsch");
        if(o == EltongTab){
                return false;
        }else {
				document.getElementById("ysad").className = "";
				document.getElementById("yfsad").className = "";
				document.getElementById("ycomp").className = "";
				document.getElementById("ynews").className = "";
                o.className = "attm";
                switch(o.id){
                        case "ysad":
                                BtnName = "请输入你需要查找的供应产品";
                                act = "http://www.6116t.com/sad_list.asp";
                                break;
                        case "yfsad":
                                BtnName = "请输入你需要查找的求购产品";
                                act = "http://www.6116t.com/Fsad_list.asp";
                                break;
                        case "ycomp":
                                BtnName = "请输入你需要查找的企业名称";
                                act = "http://www.6116t.com/Company_List.asp";
                                break;
                        case "ynews":
                                BtnName = "请输入你需要查找的资讯关键字";
                                act = "http://www.6116t.com/new_list.asp";
                                break;
                }
                SoForm.action = act;
                SoBtn.value = BtnName;
                EltongTab = o;
                document.getElementById("yschword").focus();
                return false;
        }
}